Catheter retainer



FIG. 1 is a perspective view of a catheter retainer configured inaccordance with the present invention;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken line showing is included for the purpose of illustratingportions of the article that form no part of the claimed design.

The ornamental design for a catheter retainer, as shown and described.